This is an issue that we can get adding / removing permissions in the vCSA 6.0. We can also have issues searching for users / groups in the AD (using your identify sources). This is how one of the ways to handle this issues and fix it.

This tutorial will show how to push an installation of Backup Exec to an additional server in both 2012 and 2014 versions of the software.
Click on the Backup Exec button in the upper left corner. From here, select Installation and Licensing, then I…

This tutorial will show how to configure a new Backup Exec 2012 server and move an existing database to that server with the use of the BEUtility.
Install Backup Exec 2012 on the new server and apply all of the latest hotfixes and service packs. The…